David Churchill Books

Devil

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David Churchill writes with the immediacy of Conn Iggulden, the epic ambition of Bernard Cornwell and the plotting of CJ Sansom. The Leopards of Normandy trilogy tells the story of William the Conq...

Devil

By David Churchill

Average: 0.00, 0 Ratings

The fate of England hangs in the balance of a fight between brothers The noble families of Europe are tearing themselves apart in their lust for power and wealth. Emma, Queen of England, is in agon...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.